| article html file updated | 30 August 2025 10:28 CEST | Update | https://www.mdpi.com/1424-8220/19/1/109 |
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| article pdf uploaded. | 2 January 2019 09:04 CET | Updated version of record | https://www.mdpi.com/1424-8220/19/1/109/pdf |
| article xml uploaded. | 2 January 2019 09:04 CET | Update | https://www.mdpi.com/1424-8220/19/1/109/xml |
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| article html file updated | 30 December 2018 10:54 CET | Original file | - |
| article pdf uploaded. | 30 December 2018 10:50 CET | Version of Record | https://www.mdpi.com/1424-8220/19/1/109/pdf-vor |
| article xml uploaded. | 30 December 2018 10:50 CET | Update | - |
| article xml file uploaded | 30 December 2018 10:50 CET | Original file | - |
